10+ Angular 4 Forms Demos

Forms in Angular 4 are coded quite differently to AngularJS 1 forms with the main differences being in the code structure with the latest code using techniques such as reactive forms which are template driven (vs model driven) rather than directive/component based. I’m going to do a demo on this soon so i’ll cover more about how you can set a form up quickly then. Also there is already some Form validation examples which can help extend your form once you have it up and running.

Here are about 10 or so Angular 4 Forms Demos to help you get started. Enjoy!

1. Angular 4 Reactive Signup Form Example

Angular 4 Reactive Signup Form Example
Angular 4 Reactive Signup Form Example

This password Match Validator simply takes a FormGroup (you don’t have to care about this because it is handled by Angular) and returns a validator response when the values of the controls form the passed FormGroup are equal.

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2. Angular 2 Forms Example

Angular 2 Forms Example
Angular 2 Forms Example

Angular 2 form is a place where we give the user the possibility to enter some data (inputs). Angular 2 form allow the coordination of multiple user actions: watch data changes, data validation, errors detection.

Demo

3. Angular 2 ngForms Example

Angular 2 ngForms Example
Angular 2 ngForms Example

Wijmo for Angular 2 components can be used in Angular Forms in the same way as native HTML input controls. The ngModel Angular directive augments Wijmo components with its functionalities like validation, adding the control’s state to the form instance, automatic styling of the control using state CSS classes (like ng-dirty and ng-invalid) of ngModel. When an ngModel is used on a Wijmo component, it establishes a binding for the “main value” property of the component.

Demo

4. Bootstrap Select2 Form Demo

Bootstrap Select2 Form Demo
Bootstrap Select2 Form Demo

Select2 provides a way to load the data from a local array. You can provide initial selections with array data by providing the option tag for the selected values, similar to how it would be done for a standard select. Select2 comes with AJAX support built in, using jQuery’s AJAX methods.

Demo

5. Angular 2 Reactive Forms

Angular 2 Reactive Forms
Angular 2 Reactive Forms

Angular (v2+) presents two different methods for creating forms, template-driven (what we were used to in AngularJS 1.x), or reactive. We’re going to explore the absolute fundamentals of the reactive Angular forms, covering ngForm, ngModel, ngModelGroup, submit events, validation and error messages.

Demo

6. Angular JSON Schema Form Demo

Angular JSON Schema Form Demo
Angular JSON Schema Form Demo

Schema Form is a set of AngularJS directives (and a couple of services) to generate Bootstrap 3 ready forms from a JSON Schema. Schema Form was built to be extended and its easy to create your own form field types that suit your specific requirement.

Demo

7. angular-formly Example

angular-formly Example
angular-formly Example

angular-formly is an AngularJS module which has a directive to help customize and render JavaScript/JSON configured forms. The formly-form directive and the formlyConfig service are very powerful and bring unmatched maintainability to your application’s forms.

Article Demo

8. Angular 4 Forms Tutorial From Scratch

Angular 4 Forms Tutorial From Scratch
Angular 4 Forms Tutorial From Scratch

There are two ways to build forms in angular 4. First one is Template-Driven-Forms and second one is Reactive-Forms which share same @angular/forms library.

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9. Angular 4 Reactive Forms Tutorial

Angular 4 Reactive Forms Tutorial
Angular 4 Reactive Forms Tutorial

Reactive forms give you the ability to control validation from the component code, plus you’re able to unit test them. These are the couple advantages that reactive forms have over template-driven forms, which we won’t be covering in this tutorial.

Tutorial Video

10. ng2 Reactive Multiple Nested Forms

ng2 Reactive Multiple Nested Forms
ng2 Reactive Multiple Nested Forms

Reactive forms or data driven forms are a totally new approach taken by the angular team. With Reactive forms we don’t rely heavily on template for structuring our forms rather we use the underlying API’s exposed by angular which is called the Reactive API and can be used by importing a module called ReactiveModule to create the forms.

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Sam Deering

Sam Deering

Sam is a web developer, online entrepreneur and investor. In his spare time he enjoys coding, playing chess and sharing what he learns with others.

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